<template>
  <div v-show="showFlag" class="food" transition="move" v-el:food>
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image" alt="">
        <div class="back" @click="hide">
          <i class="icon-arrow_lift"></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="detail">
          <span class="sell-count">月售{{food.sellCount}}份</span>
          <span class="rating">好评率{{food.rating}}%</span>
        </div>
        <div class="price">
          <span class="now">￥{{food.price}}</span><span class="old" v-show="food.oldPrice">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
        <div class="buy" v-show="!food.count||food.count===0" @click.stop.prevent="addFirst" transition="fade">加入购物车
        </div>
      </div>
      <split v-show="food.info"></split>
      <div class="info" v-show="food.info">
        <h1 class="title">商品信息</h1>
        <p class="text">{{food.info}}</p>
      </div>
      <split></split>
      <div class="rating">
        <h1 class="title">商品评价</h1>
        <rating-select :select-type="selectType" :only-content="onlyContent" :desc="desc"
                       :ratings="food.ratings"></rating-select>
        <div class="rating-wrapper">
          <ul v-show="food.ratings&&food.ratings.length">
            <li v-for="rating in food.ratings" class="rating-item border-1px" v-show="needShow(rating.rateType,rating.text)">
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img :src="rating.avatar" alt="" class="avatar" width="12" height="12">
              </div>
              <div class="time">{{rating.rateTime | formatDate}}</div>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>{{rating.text}}
              </p>
            </li>
          </ul>
          <div class="no-rating" v-show="!food.ratings||!food.ratings.length">暂无评价</div>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
  import BScroll from 'better-scroll'
  import cartcontrol from 'components/cartcontrol/cartcontrol'
  import Vue from 'vue'
  import split from 'components/split/split'
  import ratingSelect from 'components/ratingselect/ratingselect'
  import {formatDate} from 'common/js/date'

  const POSITIVE = 0;
  const NEGATIVE = 1;
  const ALL = 2;
  export default {
    name: "food",
    props: {
      food: {
        type: Object,
      },
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      }
    },
    components: {
      cartcontrol,
      split,
      ratingSelect
    },
    filters:{
      formatDate(time){
        let date=new Date(time);
        return formatDate(date,'yyyy-MM-dd hh:mm')
      }
    },
    events:{
      'ratingtype.select'(type){
        this.selectType=type;
        this.$nextTick(()=>{
          this.scroll.refresh();
        })
      },
      'content.toggle'(onlyContent){
        this.onlyContent=onlyContent;
        this.$nextTick(()=>{
          this.scroll.refresh();
        })
      },
    },
    methods: {
      needShow(type,text){
        if(this.onlyContent&&!text){
          return false
        };
        if(this.selectType===ALL){
          return true;
        }else{
          return type===this.selectType;
        }
      },
      addFirst(event) {
        if (!event._constructed) {
          return;
        }
        ;
        this.$dispatch('cart.add', event.target);
        Vue.set(this.food, 'count', 1)
      },
      show() {
        this.showFlag = true;
        this.selectType = ALL,
          this.onlyContent = true,
          this.$nextTick(() => {
            if (!this.scroll) {
              this.scroll = new BScroll(this.$els.food, {
                click: true
              });
            } else {
              this.scroll.refresh();
            }
          });
      },
      hide() {
        this.showFlag = false;
      }
    }
  }
</script>
<style scoped lang="stylus" rel="stylesheet/stylus">
  @import "../../common/stylus/mixin.styl"
  .food
    position fixed
    left: 0
    top: 0
    bottom 48px
    z-index 30
    width: 100%
    background-color: #fff
    &.move-transition
      transition all 0.2s linear
      transform translate3d(0, 0, 0)
    &.move-enter, &.move-leave
      transform translate3d(100%, 0, 0)
    .image-header
      position relative
      width: 100%
      height: 0
      padding-top 100%
      img
        position absolute
        top: 0
        left: 0
        width: 100%
        height: 100%
      .back
        position absolute
        top: 10px
        left: 0
        .icon-arrow_lift
          display block
          padding 10px
          font-size 20px
          color #fff
    .content
      padding 18px
      position relative
      .title
        line-height 14px
        margin-bottom 8px
        font-size 14px
        font-weight 700
        color rgb(7, 17, 27)
      .detail
        margin-bottom 18px
        line-height 10px
        font-size 0
        height: 10px
        .sell-count, .rating
          font-size 10px
          color rgb(147, 153, 159)
        .sell-count
          margin-right 12px
      .price
        line-height 24px
        font-weight 700
        .now
          margin-right 8px
          font-size 14px
          color rgb(240, 20, 20)
        .old
          text-decoration line-through
          font-size 10px
          color rgb(147, 153, 157)
      .cartcontrol-wrapper
        position absolute
        right: 12px
        bottom: 12px
      .buy
        position absolute
        right: 18px
        bottom: 18px
        z-index 10
        height: 24px
        line-height 24px
        padding 0 12px
        box-sizing border-box
        border-radius 12px
        font-size 10px
        color #fff
        background-color: rgb(0, 160, 220)
        &.fade-transition
          opacity 1
          transition all 0.2s
        &.fade-enter, &.fade-leave
          opacity 0
    .info
      padding 18px
      .title
        line-height 14px
        margin-bottom 6px
        font-size 14px
        color rgb(7, 17, 27)
      .text
        line-height 24px
        padding 0 8px
        font-size 12px
        color rgb(77, 85, 93)
    .rating
      padding-top 18px
      .title
        line-height 14px
        margin-left 18px
        font-size 14px
        font-weight 700
        color rgb(7, 17, 27)
      .rating-wrapper
        padding 0 18px
        .rating-item
          position relative
          padding 16px 0
          border-1px(rgba(7,17,27,0.1))
          .user
            position absolute
            right: 0
            top: 16px
            line-height 12px
            font-size 0
            .name
              display inline-block
              margin-right 6px
              vertical-align top
              font-size 10px
              color rgb(147,153,159)
            .avatar
              border-radius 50%
          .time
            margin-bottom 6px
            line-height 12px
            font-size 10px
            color rgb(147,153,159)
          .text
            line-height 16px
            font-size 12px
            color rgb(7,17,27)
            .icon-thumb_up,.icon-thumb_down
              margin-right 4px
              line-height 16px
              font-size 12px
            .icon-thumb_up
              color rgb(0,160,220)
            .icon-thumb_down
              color rgb(147,153,159)
        .no-rating
          padding 16px 0
          font-size 12px
          color rgb(147,153,159)
</style>
